Finding the Fourth Proportional to 458,715.52, 633,023.04 and 257,510.08
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Solution
The fourth proportional to 458,715.52, 633,023.04 and 257,510.08 is: 355,361.45
Step by Step Solution
- Step 1: Write the proportion equation
458,715.52 : 633,023.04 = 257,510.08 : x - Step 2: Convert to fraction form
458,715.52/633,023.04 = 257,510.08/x - Step 3: Cross multiply
458,715.52x = 633,023.04 × 257,510.08 - Step 4: Simplify right side
458,715.52x = 163,009,813,672.24 - Step 5: Solve for x
x = 163,009,813,672.24/458,715.52 - Step 6: Final answer
x = 355,361.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.